Home / 56,166.80-77,509.32-31,017.68

Finding the Fourth Proportional to 56,166.80, 77,509.32 and 31,017.68

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Solution

The fourth proportional to 56,166.80, 77,509.32 and 31,017.68 is: 42,803.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,166.80 : 77,509.32 = 31,017.68 : x
  2. Step 2: Convert to fraction form
    56,166.80/77,509.32 = 31,017.68/x
  3. Step 3: Cross multiply
    56,166.80x = 77,509.32 × 31,017.68
  4. Step 4: Simplify right side
    56,166.80x = 2,404,159,284.78
  5. Step 5: Solve for x
    x = 2,404,159,284.78/56,166.80
  6. Step 6: Final answer
    x = 42,803.92

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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.