Home / 55,417.40-76,476.51-31,545.62

Finding the Fourth Proportional to 55,417.40, 76,476.51 and 31,545.62

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Solution

The fourth proportional to 55,417.40, 76,476.51 and 31,545.62 is: 43,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.40 : 76,476.51 = 31,545.62 : x
  2. Step 2: Convert to fraction form
    55,417.40/76,476.51 = 31,545.62/x
  3. Step 3: Cross multiply
    55,417.40x = 76,476.51 × 31,545.62
  4. Step 4: Simplify right side
    55,417.40x = 2,412,498,541.00
  5. Step 5: Solve for x
    x = 2,412,498,541.00/55,417.40
  6. Step 6: Final answer
    x = 43,533.24

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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.