Home / 38,577.36-57,870.66-13,612.25

Finding the Fourth Proportional to 38,577.36, 57,870.66 and 13,612.25

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Solution

The fourth proportional to 38,577.36, 57,870.66 and 13,612.25 is: 20,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,577.36 : 57,870.66 = 13,612.25 : x
  2. Step 2: Convert to fraction form
    38,577.36/57,870.66 = 13,612.25/x
  3. Step 3: Cross multiply
    38,577.36x = 57,870.66 × 13,612.25
  4. Step 4: Simplify right side
    38,577.36x = 787,749,602.23
  5. Step 5: Solve for x
    x = 787,749,602.23/38,577.36
  6. Step 6: Final answer
    x = 20,420.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.