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Finding the Fourth Proportional to 39,642.76, 59,461.08 and 14,671.08

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Solution

The fourth proportional to 39,642.76, 59,461.08 and 14,671.08 is: 22,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,642.76 : 59,461.08 = 14,671.08 : x
  2. Step 2: Convert to fraction form
    39,642.76/59,461.08 = 14,671.08/x
  3. Step 3: Cross multiply
    39,642.76x = 59,461.08 × 14,671.08
  4. Step 4: Simplify right side
    39,642.76x = 872,358,261.57
  5. Step 5: Solve for x
    x = 872,358,261.57/39,642.76
  6. Step 6: Final answer
    x = 22,005.49

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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.