Home / 45,237.16-67,759.98-28,588.68

Finding the Fourth Proportional to 45,237.16, 67,759.98 and 28,588.68

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Solution

The fourth proportional to 45,237.16, 67,759.98 and 28,588.68 is: 42,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,237.16 : 67,759.98 = 28,588.68 : x
  2. Step 2: Convert to fraction form
    45,237.16/67,759.98 = 28,588.68/x
  3. Step 3: Cross multiply
    45,237.16x = 67,759.98 × 28,588.68
  4. Step 4: Simplify right side
    45,237.16x = 1,937,168,385.03
  5. Step 5: Solve for x
    x = 1,937,168,385.03/45,237.16
  6. Step 6: Final answer
    x = 42,822.50

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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.