Home / 38,312.40-52,860.78-22,400.76

Finding the Fourth Proportional to 38,312.40, 52,860.78 and 22,400.76

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Solution

The fourth proportional to 38,312.40, 52,860.78 and 22,400.76 is: 30,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,312.40 : 52,860.78 = 22,400.76 : x
  2. Step 2: Convert to fraction form
    38,312.40/52,860.78 = 22,400.76/x
  3. Step 3: Cross multiply
    38,312.40x = 52,860.78 × 22,400.76
  4. Step 4: Simplify right side
    38,312.40x = 1,184,121,646.19
  5. Step 5: Solve for x
    x = 1,184,121,646.19/38,312.40
  6. Step 6: Final answer
    x = 30,907.01

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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.