Home / 38,050.29-52,511.28-21,920.01

Finding the Fourth Proportional to 38,050.29, 52,511.28 and 21,920.01

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Solution

The fourth proportional to 38,050.29, 52,511.28 and 21,920.01 is: 30,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,050.29 : 52,511.28 = 21,920.01 : x
  2. Step 2: Convert to fraction form
    38,050.29/52,511.28 = 21,920.01/x
  3. Step 3: Cross multiply
    38,050.29x = 52,511.28 × 21,920.01
  4. Step 4: Simplify right side
    38,050.29x = 1,151,047,782.71
  5. Step 5: Solve for x
    x = 1,151,047,782.71/38,050.29
  6. Step 6: Final answer
    x = 30,250.70

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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.