Home / 38,920.69-53,689.80-23,820.67

Finding the Fourth Proportional to 38,920.69, 53,689.80 and 23,820.67

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Solution

The fourth proportional to 38,920.69, 53,689.80 and 23,820.67 is: 32,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.69 : 53,689.80 = 23,820.67 : x
  2. Step 2: Convert to fraction form
    38,920.69/53,689.80 = 23,820.67/x
  3. Step 3: Cross multiply
    38,920.69x = 53,689.80 × 23,820.67
  4. Step 4: Simplify right side
    38,920.69x = 1,278,927,008.17
  5. Step 5: Solve for x
    x = 1,278,927,008.17/38,920.69
  6. Step 6: Final answer
    x = 32,859.82

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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.