Home / 31,630.08-47,459.04-15,002.16

Finding the Fourth Proportional to 31,630.08, 47,459.04 and 15,002.16

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Solution

The fourth proportional to 31,630.08, 47,459.04 and 15,002.16 is: 22,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,630.08 : 47,459.04 = 15,002.16 : x
  2. Step 2: Convert to fraction form
    31,630.08/47,459.04 = 15,002.16/x
  3. Step 3: Cross multiply
    31,630.08x = 47,459.04 × 15,002.16
  4. Step 4: Simplify right side
    31,630.08x = 711,988,111.53
  5. Step 5: Solve for x
    x = 711,988,111.53/31,630.08
  6. Step 6: Final answer
    x = 22,509.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.