Home / 38,942.10-53,740.06-21,037.11

Finding the Fourth Proportional to 38,942.10, 53,740.06 and 21,037.11

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Solution

The fourth proportional to 38,942.10, 53,740.06 and 21,037.11 is: 29,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,942.10 : 53,740.06 = 21,037.11 : x
  2. Step 2: Convert to fraction form
    38,942.10/53,740.06 = 21,037.11/x
  3. Step 3: Cross multiply
    38,942.10x = 53,740.06 × 21,037.11
  4. Step 4: Simplify right side
    38,942.10x = 1,130,535,299.51
  5. Step 5: Solve for x
    x = 1,130,535,299.51/38,942.10
  6. Step 6: Final answer
    x = 29,031.18

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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.