Home / 35,721.16-49,294.44-20,612.64

Finding the Fourth Proportional to 35,721.16, 49,294.44 and 20,612.64

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Solution

The fourth proportional to 35,721.16, 49,294.44 and 20,612.64 is: 28,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.16 : 49,294.44 = 20,612.64 : x
  2. Step 2: Convert to fraction form
    35,721.16/49,294.44 = 20,612.64/x
  3. Step 3: Cross multiply
    35,721.16x = 49,294.44 × 20,612.64
  4. Step 4: Simplify right side
    35,721.16x = 1,016,088,545.72
  5. Step 5: Solve for x
    x = 1,016,088,545.72/35,721.16
  6. Step 6: Final answer
    x = 28,445.00

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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.