Home / 74,726.23-112,077.60-20,678.17

Finding the Fourth Proportional to 74,726.23, 112,077.60 and 20,678.17

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Solution

The fourth proportional to 74,726.23, 112,077.60 and 20,678.17 is: 31,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,726.23 : 112,077.60 = 20,678.17 : x
  2. Step 2: Convert to fraction form
    74,726.23/112,077.60 = 20,678.17/x
  3. Step 3: Cross multiply
    74,726.23x = 112,077.60 × 20,678.17
  4. Step 4: Simplify right side
    74,726.23x = 2,317,559,665.99
  5. Step 5: Solve for x
    x = 2,317,559,665.99/74,726.23
  6. Step 6: Final answer
    x = 31,014.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.