Home / 42,025.51-63,047.61-18,336.90

Finding the Fourth Proportional to 42,025.51, 63,047.61 and 18,336.90

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Solution

The fourth proportional to 42,025.51, 63,047.61 and 18,336.90 is: 27,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,025.51 : 63,047.61 = 18,336.90 : x
  2. Step 2: Convert to fraction form
    42,025.51/63,047.61 = 18,336.90/x
  3. Step 3: Cross multiply
    42,025.51x = 63,047.61 × 18,336.90
  4. Step 4: Simplify right side
    42,025.51x = 1,156,097,719.81
  5. Step 5: Solve for x
    x = 1,156,097,719.81/42,025.51
  6. Step 6: Final answer
    x = 27,509.43

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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.