Home / 56,228.88-77,595.80-31,078.38

Finding the Fourth Proportional to 56,228.88, 77,595.80 and 31,078.38

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Solution

The fourth proportional to 56,228.88, 77,595.80 and 31,078.38 is: 42,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.88 : 77,595.80 = 31,078.38 : x
  2. Step 2: Convert to fraction form
    56,228.88/77,595.80 = 31,078.38/x
  3. Step 3: Cross multiply
    56,228.88x = 77,595.80 × 31,078.38
  4. Step 4: Simplify right side
    56,228.88x = 2,411,551,603.41
  5. Step 5: Solve for x
    x = 2,411,551,603.41/56,228.88
  6. Step 6: Final answer
    x = 42,888.13

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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.