Home / 42,802.60-64,250.88-17,860.36

Finding the Fourth Proportional to 42,802.60, 64,250.88 and 17,860.36

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Solution

The fourth proportional to 42,802.60, 64,250.88 and 17,860.36 is: 26,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,802.60 : 64,250.88 = 17,860.36 : x
  2. Step 2: Convert to fraction form
    42,802.60/64,250.88 = 17,860.36/x
  3. Step 3: Cross multiply
    42,802.60x = 64,250.88 × 17,860.36
  4. Step 4: Simplify right side
    42,802.60x = 1,147,543,847.12
  5. Step 5: Solve for x
    x = 1,147,543,847.12/42,802.60
  6. Step 6: Final answer
    x = 26,810.14

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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.