Home / 30,975,459.21-42,746,169.15-17,224,128.09

Finding the Fourth Proportional to 30,975,459.21, 42,746,169.15 and 17,224,128.09

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Solution

The fourth proportional to 30,975,459.21, 42,746,169.15 and 17,224,128.09 is: 23,769,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975,459.21 : 42,746,169.15 = 17,224,128.09 : x
  2. Step 2: Convert to fraction form
    30,975,459.21/42,746,169.15 = 17,224,128.09/x
  3. Step 3: Cross multiply
    30,975,459.21x = 42,746,169.15 × 17,224,128.09
  4. Step 4: Simplify right side
    30,975,459.21x = 736,265,492,796,406.38
  5. Step 5: Solve for x
    x = 736,265,492,796,406.38/30,975,459.21
  6. Step 6: Final answer
    x = 23,769,316.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.