Home / 56,337.07-77,745.18-31,186.57

Finding the Fourth Proportional to 56,337.07, 77,745.18 and 31,186.57

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Solution

The fourth proportional to 56,337.07, 77,745.18 and 31,186.57 is: 43,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,337.07 : 77,745.18 = 31,186.57 : x
  2. Step 2: Convert to fraction form
    56,337.07/77,745.18 = 31,186.57/x
  3. Step 3: Cross multiply
    56,337.07x = 77,745.18 × 31,186.57
  4. Step 4: Simplify right side
    56,337.07x = 2,424,605,498.23
  5. Step 5: Solve for x
    x = 2,424,605,498.23/56,337.07
  6. Step 6: Final answer
    x = 43,037.48

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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.