Home / 50,860.16-70,186.88-30,988.16

Finding the Fourth Proportional to 50,860.16, 70,186.88 and 30,988.16

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Solution

The fourth proportional to 50,860.16, 70,186.88 and 30,988.16 is: 42,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,860.16 : 70,186.88 = 30,988.16 : x
  2. Step 2: Convert to fraction form
    50,860.16/70,186.88 = 30,988.16/x
  3. Step 3: Cross multiply
    50,860.16x = 70,186.88 × 30,988.16
  4. Step 4: Simplify right side
    50,860.16x = 2,174,962,267.34
  5. Step 5: Solve for x
    x = 2,174,962,267.34/50,860.16
  6. Step 6: Final answer
    x = 42,763.58

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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.