Home / 38,688.94-53,381.03-22,770.32

Finding the Fourth Proportional to 38,688.94, 53,381.03 and 22,770.32

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Solution

The fourth proportional to 38,688.94, 53,381.03 and 22,770.32 is: 31,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688.94 : 53,381.03 = 22,770.32 : x
  2. Step 2: Convert to fraction form
    38,688.94/53,381.03 = 22,770.32/x
  3. Step 3: Cross multiply
    38,688.94x = 53,381.03 × 22,770.32
  4. Step 4: Simplify right side
    38,688.94x = 1,215,502,754.27
  5. Step 5: Solve for x
    x = 1,215,502,754.27/38,688.94
  6. Step 6: Final answer
    x = 31,417.32

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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.