Home / 42,589.99-63,886.02-13,008.07

Finding the Fourth Proportional to 42,589.99, 63,886.02 and 13,008.07

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Solution

The fourth proportional to 42,589.99, 63,886.02 and 13,008.07 is: 19,512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,589.99 : 63,886.02 = 13,008.07 : x
  2. Step 2: Convert to fraction form
    42,589.99/63,886.02 = 13,008.07/x
  3. Step 3: Cross multiply
    42,589.99x = 63,886.02 × 13,008.07
  4. Step 4: Simplify right side
    42,589.99x = 831,033,820.18
  5. Step 5: Solve for x
    x = 831,033,820.18/42,589.99
  6. Step 6: Final answer
    x = 19,512.42

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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.