Home / 66,561.52-99,792.96-31,460.16

Finding the Fourth Proportional to 66,561.52, 99,792.96 and 31,460.16

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Solution

The fourth proportional to 66,561.52, 99,792.96 and 31,460.16 is: 47,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,561.52 : 99,792.96 = 31,460.16 : x
  2. Step 2: Convert to fraction form
    66,561.52/99,792.96 = 31,460.16/x
  3. Step 3: Cross multiply
    66,561.52x = 99,792.96 × 31,460.16
  4. Step 4: Simplify right side
    66,561.52x = 3,139,502,488.47
  5. Step 5: Solve for x
    x = 3,139,502,488.47/66,561.52
  6. Step 6: Final answer
    x = 47,166.93

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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.