Home / 37,156.61-55,702.10-28,430.48

Finding the Fourth Proportional to 37,156.61, 55,702.10 and 28,430.48

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Solution

The fourth proportional to 37,156.61, 55,702.10 and 28,430.48 is: 42,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,156.61 : 55,702.10 = 28,430.48 : x
  2. Step 2: Convert to fraction form
    37,156.61/55,702.10 = 28,430.48/x
  3. Step 3: Cross multiply
    37,156.61x = 55,702.10 × 28,430.48
  4. Step 4: Simplify right side
    37,156.61x = 1,583,637,232.57
  5. Step 5: Solve for x
    x = 1,583,637,232.57/37,156.61
  6. Step 6: Final answer
    x = 42,620.61

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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.