Home / 39,770.16-59,663.88-12,070.32

Finding the Fourth Proportional to 39,770.16, 59,663.88 and 12,070.32

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Solution

The fourth proportional to 39,770.16, 59,663.88 and 12,070.32 is: 18,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770.16 : 59,663.88 = 12,070.32 : x
  2. Step 2: Convert to fraction form
    39,770.16/59,663.88 = 12,070.32/x
  3. Step 3: Cross multiply
    39,770.16x = 59,663.88 × 12,070.32
  4. Step 4: Simplify right side
    39,770.16x = 720,162,124.04
  5. Step 5: Solve for x
    x = 720,162,124.04/39,770.16
  6. Step 6: Final answer
    x = 18,108.10

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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.