Home / 42,952.02-64,448.34-20,752.93

Finding the Fourth Proportional to 42,952.02, 64,448.34 and 20,752.93

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Solution

The fourth proportional to 42,952.02, 64,448.34 and 20,752.93 is: 31,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,952.02 : 64,448.34 = 20,752.93 : x
  2. Step 2: Convert to fraction form
    42,952.02/64,448.34 = 20,752.93/x
  3. Step 3: Cross multiply
    42,952.02x = 64,448.34 × 20,752.93
  4. Step 4: Simplify right side
    42,952.02x = 1,337,491,888.64
  5. Step 5: Solve for x
    x = 1,337,491,888.64/42,952.02
  6. Step 6: Final answer
    x = 31,139.21

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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.