Home / 30,547.64-42,155.06-17,800.03

Finding the Fourth Proportional to 30,547.64, 42,155.06 and 17,800.03

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Solution

The fourth proportional to 30,547.64, 42,155.06 and 17,800.03 is: 24,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.64 : 42,155.06 = 17,800.03 : x
  2. Step 2: Convert to fraction form
    30,547.64/42,155.06 = 17,800.03/x
  3. Step 3: Cross multiply
    30,547.64x = 42,155.06 × 17,800.03
  4. Step 4: Simplify right side
    30,547.64x = 750,361,296.35
  5. Step 5: Solve for x
    x = 750,361,296.35/30,547.64
  6. Step 6: Final answer
    x = 24,563.64

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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.