Home / 65,273.90-90,056.71-38,043.77

Finding the Fourth Proportional to 65,273.90, 90,056.71 and 38,043.77

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Solution

The fourth proportional to 65,273.90, 90,056.71 and 38,043.77 is: 52,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,273.90 : 90,056.71 = 38,043.77 : x
  2. Step 2: Convert to fraction form
    65,273.90/90,056.71 = 38,043.77/x
  3. Step 3: Cross multiply
    65,273.90x = 90,056.71 × 38,043.77
  4. Step 4: Simplify right side
    65,273.90x = 3,426,096,441.95
  5. Step 5: Solve for x
    x = 3,426,096,441.95/65,273.90
  6. Step 6: Final answer
    x = 52,488.00

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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.