Home / 38,290.71-52,842.52-21,295.67

Finding the Fourth Proportional to 38,290.71, 52,842.52 and 21,295.67

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Solution

The fourth proportional to 38,290.71, 52,842.52 and 21,295.67 is: 29,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.71 : 52,842.52 = 21,295.67 : x
  2. Step 2: Convert to fraction form
    38,290.71/52,842.52 = 21,295.67/x
  3. Step 3: Cross multiply
    38,290.71x = 52,842.52 × 21,295.67
  4. Step 4: Simplify right side
    38,290.71x = 1,125,316,838.81
  5. Step 5: Solve for x
    x = 1,125,316,838.81/38,290.71
  6. Step 6: Final answer
    x = 29,388.77

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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.