Home / 38,038.68-52,493.48-21,271.68

Finding the Fourth Proportional to 38,038.68, 52,493.48 and 21,271.68

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Solution

The fourth proportional to 38,038.68, 52,493.48 and 21,271.68 is: 29,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038.68 : 52,493.48 = 21,271.68 : x
  2. Step 2: Convert to fraction form
    38,038.68/52,493.48 = 21,271.68/x
  3. Step 3: Cross multiply
    38,038.68x = 52,493.48 × 21,271.68
  4. Step 4: Simplify right side
    38,038.68x = 1,116,624,508.65
  5. Step 5: Solve for x
    x = 1,116,624,508.65/38,038.68
  6. Step 6: Final answer
    x = 29,354.98

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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.