Home / 42,768.02-64,130.13-22,788.90

Finding the Fourth Proportional to 42,768.02, 64,130.13 and 22,788.90

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Solution

The fourth proportional to 42,768.02, 64,130.13 and 22,788.90 is: 34,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768.02 : 64,130.13 = 22,788.90 : x
  2. Step 2: Convert to fraction form
    42,768.02/64,130.13 = 22,788.90/x
  3. Step 3: Cross multiply
    42,768.02x = 64,130.13 × 22,788.90
  4. Step 4: Simplify right side
    42,768.02x = 1,461,455,119.56
  5. Step 5: Solve for x
    x = 1,461,455,119.56/42,768.02
  6. Step 6: Final answer
    x = 34,171.68

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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.