Home / 42,423.54-63,634.69-14,337.60

Finding the Fourth Proportional to 42,423.54, 63,634.69 and 14,337.60

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Solution

The fourth proportional to 42,423.54, 63,634.69 and 14,337.60 is: 21,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,423.54 : 63,634.69 = 14,337.60 : x
  2. Step 2: Convert to fraction form
    42,423.54/63,634.69 = 14,337.60/x
  3. Step 3: Cross multiply
    42,423.54x = 63,634.69 × 14,337.60
  4. Step 4: Simplify right side
    42,423.54x = 912,368,731.34
  5. Step 5: Solve for x
    x = 912,368,731.34/42,423.54
  6. Step 6: Final answer
    x = 21,506.19

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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.