Home / 40,673.52-60,987.95-12,585.76

Finding the Fourth Proportional to 40,673.52, 60,987.95 and 12,585.76

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Solution

The fourth proportional to 40,673.52, 60,987.95 and 12,585.76 is: 18,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,673.52 : 60,987.95 = 12,585.76 : x
  2. Step 2: Convert to fraction form
    40,673.52/60,987.95 = 12,585.76/x
  3. Step 3: Cross multiply
    40,673.52x = 60,987.95 × 12,585.76
  4. Step 4: Simplify right side
    40,673.52x = 767,579,486.19
  5. Step 5: Solve for x
    x = 767,579,486.19/40,673.52
  6. Step 6: Final answer
    x = 18,871.73

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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.