Home / 42,275.54-63,423.03-12,693.93

Finding the Fourth Proportional to 42,275.54, 63,423.03 and 12,693.93

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Solution

The fourth proportional to 42,275.54, 63,423.03 and 12,693.93 is: 19,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,275.54 : 63,423.03 = 12,693.93 : x
  2. Step 2: Convert to fraction form
    42,275.54/63,423.03 = 12,693.93/x
  3. Step 3: Cross multiply
    42,275.54x = 63,423.03 × 12,693.93
  4. Step 4: Simplify right side
    42,275.54x = 805,087,503.21
  5. Step 5: Solve for x
    x = 805,087,503.21/42,275.54
  6. Step 6: Final answer
    x = 19,043.82

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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.