Home / 39,415.76-59,133.88-19,693.52

Finding the Fourth Proportional to 39,415.76, 59,133.88 and 19,693.52

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Solution

The fourth proportional to 39,415.76, 59,133.88 and 19,693.52 is: 29,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,415.76 : 59,133.88 = 19,693.52 : x
  2. Step 2: Convert to fraction form
    39,415.76/59,133.88 = 19,693.52/x
  3. Step 3: Cross multiply
    39,415.76x = 59,133.88 × 19,693.52
  4. Step 4: Simplify right side
    39,415.76x = 1,164,554,248.46
  5. Step 5: Solve for x
    x = 1,164,554,248.46/39,415.76
  6. Step 6: Final answer
    x = 29,545.40

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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.