Home / 31,102.56-42,948.36-26,670.24

Finding the Fourth Proportional to 31,102.56, 42,948.36 and 26,670.24

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Solution

The fourth proportional to 31,102.56, 42,948.36 and 26,670.24 is: 36,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102.56 : 42,948.36 = 26,670.24 : x
  2. Step 2: Convert to fraction form
    31,102.56/42,948.36 = 26,670.24/x
  3. Step 3: Cross multiply
    31,102.56x = 42,948.36 × 26,670.24
  4. Step 4: Simplify right side
    31,102.56x = 1,145,443,068.81
  5. Step 5: Solve for x
    x = 1,145,443,068.81/31,102.56
  6. Step 6: Final answer
    x = 36,827.94

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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.