Home / 38,443.89-53,050.95-21,447.87

Finding the Fourth Proportional to 38,443.89, 53,050.95 and 21,447.87

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Solution

The fourth proportional to 38,443.89, 53,050.95 and 21,447.87 is: 29,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,443.89 : 53,050.95 = 21,447.87 : x
  2. Step 2: Convert to fraction form
    38,443.89/53,050.95 = 21,447.87/x
  3. Step 3: Cross multiply
    38,443.89x = 53,050.95 × 21,447.87
  4. Step 4: Simplify right side
    38,443.89x = 1,137,829,878.98
  5. Step 5: Solve for x
    x = 1,137,829,878.98/38,443.89
  6. Step 6: Final answer
    x = 29,597.16

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Double scale
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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.