Home / 45,931.77-63,390.33-28,038.74

Finding the Fourth Proportional to 45,931.77, 63,390.33 and 28,038.74

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Solution

The fourth proportional to 45,931.77, 63,390.33 and 28,038.74 is: 38,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.77 : 63,390.33 = 28,038.74 : x
  2. Step 2: Convert to fraction form
    45,931.77/63,390.33 = 28,038.74/x
  3. Step 3: Cross multiply
    45,931.77x = 63,390.33 × 28,038.74
  4. Step 4: Simplify right side
    45,931.77x = 1,777,384,664.43
  5. Step 5: Solve for x
    x = 1,777,384,664.43/45,931.77
  6. Step 6: Final answer
    x = 38,696.19

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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.