Home / 40,783.74-56,279.07-22,875.42

Finding the Fourth Proportional to 40,783.74, 56,279.07 and 22,875.42

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Solution

The fourth proportional to 40,783.74, 56,279.07 and 22,875.42 is: 31,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.74 : 56,279.07 = 22,875.42 : x
  2. Step 2: Convert to fraction form
    40,783.74/56,279.07 = 22,875.42/x
  3. Step 3: Cross multiply
    40,783.74x = 56,279.07 × 22,875.42
  4. Step 4: Simplify right side
    40,783.74x = 1,287,407,363.46
  5. Step 5: Solve for x
    x = 1,287,407,363.46/40,783.74
  6. Step 6: Final answer
    x = 31,566.68

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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.