Home / 38,475.23-53,095.55-21,478.46

Finding the Fourth Proportional to 38,475.23, 53,095.55 and 21,478.46

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Solution

The fourth proportional to 38,475.23, 53,095.55 and 21,478.46 is: 29,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.23 : 53,095.55 = 21,478.46 : x
  2. Step 2: Convert to fraction form
    38,475.23/53,095.55 = 21,478.46/x
  3. Step 3: Cross multiply
    38,475.23x = 53,095.55 × 21,478.46
  4. Step 4: Simplify right side
    38,475.23x = 1,140,410,273.98
  5. Step 5: Solve for x
    x = 1,140,410,273.98/38,475.23
  6. Step 6: Final answer
    x = 29,640.12

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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.