Home / 38,538.57-57,811.71-10,459.08

Finding the Fourth Proportional to 38,538.57, 57,811.71 and 10,459.08

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Solution

The fourth proportional to 38,538.57, 57,811.71 and 10,459.08 is: 15,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,538.57 : 57,811.71 = 10,459.08 : x
  2. Step 2: Convert to fraction form
    38,538.57/57,811.71 = 10,459.08/x
  3. Step 3: Cross multiply
    38,538.57x = 57,811.71 × 10,459.08
  4. Step 4: Simplify right side
    38,538.57x = 604,657,299.83
  5. Step 5: Solve for x
    x = 604,657,299.83/38,538.57
  6. Step 6: Final answer
    x = 15,689.67

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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.