Home / 40,276.64-55,581.74-22,373.31

Finding the Fourth Proportional to 40,276.64, 55,581.74 and 22,373.31

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Solution

The fourth proportional to 40,276.64, 55,581.74 and 22,373.31 is: 30,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.64 : 55,581.74 = 22,373.31 : x
  2. Step 2: Convert to fraction form
    40,276.64/55,581.74 = 22,373.31/x
  3. Step 3: Cross multiply
    40,276.64x = 55,581.74 × 22,373.31
  4. Step 4: Simplify right side
    40,276.64x = 1,243,547,805.67
  5. Step 5: Solve for x
    x = 1,243,547,805.67/40,276.64
  6. Step 6: Final answer
    x = 30,875.16

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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.