Home / 42,690.34-64,055.58-26,891.74

Finding the Fourth Proportional to 42,690.34, 64,055.58 and 26,891.74

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Solution

The fourth proportional to 42,690.34, 64,055.58 and 26,891.74 is: 40,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,690.34 : 64,055.58 = 26,891.74 : x
  2. Step 2: Convert to fraction form
    42,690.34/64,055.58 = 26,891.74/x
  3. Step 3: Cross multiply
    42,690.34x = 64,055.58 × 26,891.74
  4. Step 4: Simplify right side
    42,690.34x = 1,722,566,002.91
  5. Step 5: Solve for x
    x = 1,722,566,002.91/42,690.34
  6. Step 6: Final answer
    x = 40,350.25

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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.