Home / 32,129.98-44,364.87-21,385.18

Finding the Fourth Proportional to 32,129.98, 44,364.87 and 21,385.18

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Solution

The fourth proportional to 32,129.98, 44,364.87 and 21,385.18 is: 29,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,129.98 : 44,364.87 = 21,385.18 : x
  2. Step 2: Convert to fraction form
    32,129.98/44,364.87 = 21,385.18/x
  3. Step 3: Cross multiply
    32,129.98x = 44,364.87 × 21,385.18
  4. Step 4: Simplify right side
    32,129.98x = 948,750,730.63
  5. Step 5: Solve for x
    x = 948,750,730.63/32,129.98
  6. Step 6: Final answer
    x = 29,528.52

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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.