Home / 32,708.61-45,139.28-18,562.77

Finding the Fourth Proportional to 32,708.61, 45,139.28 and 18,562.77

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Solution

The fourth proportional to 32,708.61, 45,139.28 and 18,562.77 is: 25,617.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,708.61 : 45,139.28 = 18,562.77 : x
  2. Step 2: Convert to fraction form
    32,708.61/45,139.28 = 18,562.77/x
  3. Step 3: Cross multiply
    32,708.61x = 45,139.28 × 18,562.77
  4. Step 4: Simplify right side
    32,708.61x = 837,909,979.79
  5. Step 5: Solve for x
    x = 837,909,979.79/32,708.61
  6. Step 6: Final answer
    x = 25,617.41

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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.