Home / 72,284.16-108,426.24-30,702.08

Finding the Fourth Proportional to 72,284.16, 108,426.24 and 30,702.08

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Solution

The fourth proportional to 72,284.16, 108,426.24 and 30,702.08 is: 46,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,284.16 : 108,426.24 = 30,702.08 : x
  2. Step 2: Convert to fraction form
    72,284.16/108,426.24 = 30,702.08/x
  3. Step 3: Cross multiply
    72,284.16x = 108,426.24 × 30,702.08
  4. Step 4: Simplify right side
    72,284.16x = 3,328,911,094.58
  5. Step 5: Solve for x
    x = 3,328,911,094.58/72,284.16
  6. Step 6: Final answer
    x = 46,053.12

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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.