Home / 40,423.28-60,666.70-28,030.51

Finding the Fourth Proportional to 40,423.28, 60,666.70 and 28,030.51

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Solution

The fourth proportional to 40,423.28, 60,666.70 and 28,030.51 is: 42,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.28 : 60,666.70 = 28,030.51 : x
  2. Step 2: Convert to fraction form
    40,423.28/60,666.70 = 28,030.51/x
  3. Step 3: Cross multiply
    40,423.28x = 60,666.70 × 28,030.51
  4. Step 4: Simplify right side
    40,423.28x = 1,700,518,179.25
  5. Step 5: Solve for x
    x = 1,700,518,179.25/40,423.28
  6. Step 6: Final answer
    x = 42,067.80

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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.