Home / 38,277.64-52,821.50-21,281.86

Finding the Fourth Proportional to 38,277.64, 52,821.50 and 21,281.86

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Solution

The fourth proportional to 38,277.64, 52,821.50 and 21,281.86 is: 29,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,277.64 : 52,821.50 = 21,281.86 : x
  2. Step 2: Convert to fraction form
    38,277.64/52,821.50 = 21,281.86/x
  3. Step 3: Cross multiply
    38,277.64x = 52,821.50 × 21,281.86
  4. Step 4: Simplify right side
    38,277.64x = 1,124,139,767.99
  5. Step 5: Solve for x
    x = 1,124,139,767.99/38,277.64
  6. Step 6: Final answer
    x = 29,368.05

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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.