Home / 55,417.38-76,476.47-31,545.59

Finding the Fourth Proportional to 55,417.38, 76,476.47 and 31,545.59

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Solution

The fourth proportional to 55,417.38, 76,476.47 and 31,545.59 is: 43,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.38 : 76,476.47 = 31,545.59 : x
  2. Step 2: Convert to fraction form
    55,417.38/76,476.47 = 31,545.59/x
  3. Step 3: Cross multiply
    55,417.38x = 76,476.47 × 31,545.59
  4. Step 4: Simplify right side
    55,417.38x = 2,412,494,827.16
  5. Step 5: Solve for x
    x = 2,412,494,827.16/55,417.38
  6. Step 6: Final answer
    x = 43,533.18

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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.