Home / 56,117.14-77,440.52-30,624.01

Finding the Fourth Proportional to 56,117.14, 77,440.52 and 30,624.01

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Solution

The fourth proportional to 56,117.14, 77,440.52 and 30,624.01 is: 42,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,117.14 : 77,440.52 = 30,624.01 : x
  2. Step 2: Convert to fraction form
    56,117.14/77,440.52 = 30,624.01/x
  3. Step 3: Cross multiply
    56,117.14x = 77,440.52 × 30,624.01
  4. Step 4: Simplify right side
    56,117.14x = 2,371,539,141.84
  5. Step 5: Solve for x
    x = 2,371,539,141.84/56,117.14
  6. Step 6: Final answer
    x = 42,260.52

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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.