Home / 56,088.68-84,121.10-21,030.92

Finding the Fourth Proportional to 56,088.68, 84,121.10 and 21,030.92

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Solution

The fourth proportional to 56,088.68, 84,121.10 and 21,030.92 is: 31,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,088.68 : 84,121.10 = 21,030.92 : x
  2. Step 2: Convert to fraction form
    56,088.68/84,121.10 = 21,030.92/x
  3. Step 3: Cross multiply
    56,088.68x = 84,121.10 × 21,030.92
  4. Step 4: Simplify right side
    56,088.68x = 1,769,144,124.41
  5. Step 5: Solve for x
    x = 1,769,144,124.41/56,088.68
  6. Step 6: Final answer
    x = 31,541.91

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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.