Home / 32,890.02-45,387-18,740.13

Finding the Fourth Proportional to 32,890.02, 45,387 and 18,740.13

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Solution

The fourth proportional to 32,890.02, 45,387 and 18,740.13 is: 25,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890.02 : 45,387 = 18,740.13 : x
  2. Step 2: Convert to fraction form
    32,890.02/45,387 = 18,740.13/x
  3. Step 3: Cross multiply
    32,890.02x = 45,387 × 18,740.13
  4. Step 4: Simplify right side
    32,890.02x = 850,558,280.31
  5. Step 5: Solve for x
    x = 850,558,280.31/32,890.02
  6. Step 6: Final answer
    x = 25,860.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.