Home / 53,070.40-79,587.84-21,472.32

Finding the Fourth Proportional to 53,070.40, 79,587.84 and 21,472.32

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Solution

The fourth proportional to 53,070.40, 79,587.84 and 21,472.32 is: 32,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,070.40 : 79,587.84 = 21,472.32 : x
  2. Step 2: Convert to fraction form
    53,070.40/79,587.84 = 21,472.32/x
  3. Step 3: Cross multiply
    53,070.40x = 79,587.84 × 21,472.32
  4. Step 4: Simplify right side
    53,070.40x = 1,708,935,568.59
  5. Step 5: Solve for x
    x = 1,708,935,568.59/53,070.40
  6. Step 6: Final answer
    x = 32,201.29

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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.