Home / 56,532.16-78,014.68-31,386.56

Finding the Fourth Proportional to 56,532.16, 78,014.68 and 31,386.56

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Solution

The fourth proportional to 56,532.16, 78,014.68 and 31,386.56 is: 43,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,532.16 : 78,014.68 = 31,386.56 : x
  2. Step 2: Convert to fraction form
    56,532.16/78,014.68 = 31,386.56/x
  3. Step 3: Cross multiply
    56,532.16x = 78,014.68 × 31,386.56
  4. Step 4: Simplify right side
    56,532.16x = 2,448,612,434.70
  5. Step 5: Solve for x
    x = 2,448,612,434.70/56,532.16
  6. Step 6: Final answer
    x = 43,313.62

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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.