Home / 56,330.19-77,652.84-42,878.01

Finding the Fourth Proportional to 56,330.19, 77,652.84 and 42,878.01

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Solution

The fourth proportional to 56,330.19, 77,652.84 and 42,878.01 is: 59,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,330.19 : 77,652.84 = 42,878.01 : x
  2. Step 2: Convert to fraction form
    56,330.19/77,652.84 = 42,878.01/x
  3. Step 3: Cross multiply
    56,330.19x = 77,652.84 × 42,878.01
  4. Step 4: Simplify right side
    56,330.19x = 3,329,599,702.04
  5. Step 5: Solve for x
    x = 3,329,599,702.04/56,330.19
  6. Step 6: Final answer
    x = 59,108.62

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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.