Home / 39,955.80-59,531.55-39,385.56

Finding the Fourth Proportional to 39,955.80, 59,531.55 and 39,385.56

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Solution

The fourth proportional to 39,955.80, 59,531.55 and 39,385.56 is: 58,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.80 : 59,531.55 = 39,385.56 : x
  2. Step 2: Convert to fraction form
    39,955.80/59,531.55 = 39,385.56/x
  3. Step 3: Cross multiply
    39,955.80x = 59,531.55 × 39,385.56
  4. Step 4: Simplify right side
    39,955.80x = 2,344,683,434.42
  5. Step 5: Solve for x
    x = 2,344,683,434.42/39,955.80
  6. Step 6: Final answer
    x = 58,681.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.