Home / 39,840.95-59,681.27-18,463.70

Finding the Fourth Proportional to 39,840.95, 59,681.27 and 18,463.70

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Solution

The fourth proportional to 39,840.95, 59,681.27 and 18,463.70 is: 27,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.95 : 59,681.27 = 18,463.70 : x
  2. Step 2: Convert to fraction form
    39,840.95/59,681.27 = 18,463.70/x
  3. Step 3: Cross multiply
    39,840.95x = 59,681.27 × 18,463.70
  4. Step 4: Simplify right side
    39,840.95x = 1,101,936,674.17
  5. Step 5: Solve for x
    x = 1,101,936,674.17/39,840.95
  6. Step 6: Final answer
    x = 27,658.40

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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.