Home / 45,861.11-63,261.51-28,838.40

Finding the Fourth Proportional to 45,861.11, 63,261.51 and 28,838.40

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Solution

The fourth proportional to 45,861.11, 63,261.51 and 28,838.40 is: 39,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,861.11 : 63,261.51 = 28,838.40 : x
  2. Step 2: Convert to fraction form
    45,861.11/63,261.51 = 28,838.40/x
  3. Step 3: Cross multiply
    45,861.11x = 63,261.51 × 28,838.40
  4. Step 4: Simplify right side
    45,861.11x = 1,824,360,729.98
  5. Step 5: Solve for x
    x = 1,824,360,729.98/45,861.11
  6. Step 6: Final answer
    x = 39,780.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.