Home / 42,701.02-64,050.65-14,240.03

Finding the Fourth Proportional to 42,701.02, 64,050.65 and 14,240.03

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Solution

The fourth proportional to 42,701.02, 64,050.65 and 14,240.03 is: 21,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,701.02 : 64,050.65 = 14,240.03 : x
  2. Step 2: Convert to fraction form
    42,701.02/64,050.65 = 14,240.03/x
  3. Step 3: Cross multiply
    42,701.02x = 64,050.65 × 14,240.03
  4. Step 4: Simplify right side
    42,701.02x = 912,083,019.61
  5. Step 5: Solve for x
    x = 912,083,019.61/42,701.02
  6. Step 6: Final answer
    x = 21,359.75

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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.