Home / 42,563.63-63,854.83-12,983.74

Finding the Fourth Proportional to 42,563.63, 63,854.83 and 12,983.74

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Solution

The fourth proportional to 42,563.63, 63,854.83 and 12,983.74 is: 19,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,563.63 : 63,854.83 = 12,983.74 : x
  2. Step 2: Convert to fraction form
    42,563.63/63,854.83 = 12,983.74/x
  3. Step 3: Cross multiply
    42,563.63x = 63,854.83 × 12,983.74
  4. Step 4: Simplify right side
    42,563.63x = 829,074,726.24
  5. Step 5: Solve for x
    x = 829,074,726.24/42,563.63
  6. Step 6: Final answer
    x = 19,478.48

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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.