Home / 45,948.60-63,418.95-28,039.77

Finding the Fourth Proportional to 45,948.60, 63,418.95 and 28,039.77

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Solution

The fourth proportional to 45,948.60, 63,418.95 and 28,039.77 is: 38,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,948.60 : 63,418.95 = 28,039.77 : x
  2. Step 2: Convert to fraction form
    45,948.60/63,418.95 = 28,039.77/x
  3. Step 3: Cross multiply
    45,948.60x = 63,418.95 × 28,039.77
  4. Step 4: Simplify right side
    45,948.60x = 1,778,252,771.64
  5. Step 5: Solve for x
    x = 1,778,252,771.64/45,948.60
  6. Step 6: Final answer
    x = 38,700.91

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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.