Home / 32,412.95-44,767.10-21,639.06

Finding the Fourth Proportional to 32,412.95, 44,767.10 and 21,639.06

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Solution

The fourth proportional to 32,412.95, 44,767.10 and 21,639.06 is: 29,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,412.95 : 44,767.10 = 21,639.06 : x
  2. Step 2: Convert to fraction form
    32,412.95/44,767.10 = 21,639.06/x
  3. Step 3: Cross multiply
    32,412.95x = 44,767.10 × 21,639.06
  4. Step 4: Simplify right side
    32,412.95x = 968,717,854.73
  5. Step 5: Solve for x
    x = 968,717,854.73/32,412.95
  6. Step 6: Final answer
    x = 29,886.76

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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.