Home / 56,527.16-78,008.39-31,035.87

Finding the Fourth Proportional to 56,527.16, 78,008.39 and 31,035.87

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Solution

The fourth proportional to 56,527.16, 78,008.39 and 31,035.87 is: 42,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,527.16 : 78,008.39 = 31,035.87 : x
  2. Step 2: Convert to fraction form
    56,527.16/78,008.39 = 31,035.87/x
  3. Step 3: Cross multiply
    56,527.16x = 78,008.39 × 31,035.87
  4. Step 4: Simplify right side
    56,527.16x = 2,421,058,095.77
  5. Step 5: Solve for x
    x = 2,421,058,095.77/56,527.16
  6. Step 6: Final answer
    x = 42,830.00

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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.