Home / 56,527.40-78,008.54-31,030.06

Finding the Fourth Proportional to 56,527.40, 78,008.54 and 31,030.06

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Solution

The fourth proportional to 56,527.40, 78,008.54 and 31,030.06 is: 42,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,527.40 : 78,008.54 = 31,030.06 : x
  2. Step 2: Convert to fraction form
    56,527.40/78,008.54 = 31,030.06/x
  3. Step 3: Cross multiply
    56,527.40x = 78,008.54 × 31,030.06
  4. Step 4: Simplify right side
    56,527.40x = 2,420,609,676.71
  5. Step 5: Solve for x
    x = 2,420,609,676.71/56,527.40
  6. Step 6: Final answer
    x = 42,821.88

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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.