Home / 56,403.72-84,605.76-14,283.78

Finding the Fourth Proportional to 56,403.72, 84,605.76 and 14,283.78

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Solution

The fourth proportional to 56,403.72, 84,605.76 and 14,283.78 is: 21,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,403.72 : 84,605.76 = 14,283.78 : x
  2. Step 2: Convert to fraction form
    56,403.72/84,605.76 = 14,283.78/x
  3. Step 3: Cross multiply
    56,403.72x = 84,605.76 × 14,283.78
  4. Step 4: Simplify right side
    56,403.72x = 1,208,490,062.57
  5. Step 5: Solve for x
    x = 1,208,490,062.57/56,403.72
  6. Step 6: Final answer
    x = 21,425.72

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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.