Home / 38,382.63-52,967.23-21,386.81

Finding the Fourth Proportional to 38,382.63, 52,967.23 and 21,386.81

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Solution

The fourth proportional to 38,382.63, 52,967.23 and 21,386.81 is: 29,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,382.63 : 52,967.23 = 21,386.81 : x
  2. Step 2: Convert to fraction form
    38,382.63/52,967.23 = 21,386.81/x
  3. Step 3: Cross multiply
    38,382.63x = 52,967.23 × 21,386.81
  4. Step 4: Simplify right side
    38,382.63x = 1,132,800,084.24
  5. Step 5: Solve for x
    x = 1,132,800,084.24/38,382.63
  6. Step 6: Final answer
    x = 29,513.35

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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.