Home / 42,534.48-63,810.90-12,954.63

Finding the Fourth Proportional to 42,534.48, 63,810.90 and 12,954.63

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Solution

The fourth proportional to 42,534.48, 63,810.90 and 12,954.63 is: 19,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,534.48 : 63,810.90 = 12,954.63 : x
  2. Step 2: Convert to fraction form
    42,534.48/63,810.90 = 12,954.63/x
  3. Step 3: Cross multiply
    42,534.48x = 63,810.90 × 12,954.63
  4. Step 4: Simplify right side
    42,534.48x = 826,646,599.47
  5. Step 5: Solve for x
    x = 826,646,599.47/42,534.48
  6. Step 6: Final answer
    x = 19,434.74

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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.