Home / 74,702.48-112,053.24-30,328.79

Finding the Fourth Proportional to 74,702.48, 112,053.24 and 30,328.79

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Solution

The fourth proportional to 74,702.48, 112,053.24 and 30,328.79 is: 45,492.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,702.48 : 112,053.24 = 30,328.79 : x
  2. Step 2: Convert to fraction form
    74,702.48/112,053.24 = 30,328.79/x
  3. Step 3: Cross multiply
    74,702.48x = 112,053.24 × 30,328.79
  4. Step 4: Simplify right side
    74,702.48x = 3,398,438,624.51
  5. Step 5: Solve for x
    x = 3,398,438,624.51/74,702.48
  6. Step 6: Final answer
    x = 45,492.99

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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.