Home / 55,637.19-76,737.47-38,641.46

Finding the Fourth Proportional to 55,637.19, 76,737.47 and 38,641.46

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Solution

The fourth proportional to 55,637.19, 76,737.47 and 38,641.46 is: 53,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,637.19 : 76,737.47 = 38,641.46 : x
  2. Step 2: Convert to fraction form
    55,637.19/76,737.47 = 38,641.46/x
  3. Step 3: Cross multiply
    55,637.19x = 76,737.47 × 38,641.46
  4. Step 4: Simplify right side
    55,637.19x = 2,965,247,300.61
  5. Step 5: Solve for x
    x = 2,965,247,300.61/55,637.19
  6. Step 6: Final answer
    x = 53,296.14

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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.