Home / 49,488.48-74,235.24-14,430.78

Finding the Fourth Proportional to 49,488.48, 74,235.24 and 14,430.78

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Solution

The fourth proportional to 49,488.48, 74,235.24 and 14,430.78 is: 21,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,488.48 : 74,235.24 = 14,430.78 : x
  2. Step 2: Convert to fraction form
    49,488.48/74,235.24 = 14,430.78/x
  3. Step 3: Cross multiply
    49,488.48x = 74,235.24 × 14,430.78
  4. Step 4: Simplify right side
    49,488.48x = 1,071,272,416.69
  5. Step 5: Solve for x
    x = 1,071,272,416.69/49,488.48
  6. Step 6: Final answer
    x = 21,646.90

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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.