Home / 56,011.74-77,295.77-30,518.02

Finding the Fourth Proportional to 56,011.74, 77,295.77 and 30,518.02

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Solution

The fourth proportional to 56,011.74, 77,295.77 and 30,518.02 is: 42,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,011.74 : 77,295.77 = 30,518.02 : x
  2. Step 2: Convert to fraction form
    56,011.74/77,295.77 = 30,518.02/x
  3. Step 3: Cross multiply
    56,011.74x = 77,295.77 × 30,518.02
  4. Step 4: Simplify right side
    56,011.74x = 2,358,913,702.19
  5. Step 5: Solve for x
    x = 2,358,913,702.19/56,011.74
  6. Step 6: Final answer
    x = 42,114.63

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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.