Home / 39,802.16-59,712.12-12,102.32

Finding the Fourth Proportional to 39,802.16, 59,712.12 and 12,102.32

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Solution

The fourth proportional to 39,802.16, 59,712.12 and 12,102.32 is: 18,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,802.16 : 59,712.12 = 12,102.32 : x
  2. Step 2: Convert to fraction form
    39,802.16/59,712.12 = 12,102.32/x
  3. Step 3: Cross multiply
    39,802.16x = 59,712.12 × 12,102.32
  4. Step 4: Simplify right side
    39,802.16x = 722,655,184.12
  5. Step 5: Solve for x
    x = 722,655,184.12/39,802.16
  6. Step 6: Final answer
    x = 18,156.18

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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.