Home / 56,526.40-78,007.35-31,035.11

Finding the Fourth Proportional to 56,526.40, 78,007.35 and 31,035.11

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Solution

The fourth proportional to 56,526.40, 78,007.35 and 31,035.11 is: 42,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,526.40 : 78,007.35 = 31,035.11 : x
  2. Step 2: Convert to fraction form
    56,526.40/78,007.35 = 31,035.11/x
  3. Step 3: Cross multiply
    56,526.40x = 78,007.35 × 31,035.11
  4. Step 4: Simplify right side
    56,526.40x = 2,420,966,727.90
  5. Step 5: Solve for x
    x = 2,420,966,727.90/56,526.40
  6. Step 6: Final answer
    x = 42,828.96

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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.