Home / 38,643.50-53,328.57-22,510.39

Finding the Fourth Proportional to 38,643.50, 53,328.57 and 22,510.39

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Solution

The fourth proportional to 38,643.50, 53,328.57 and 22,510.39 is: 31,064.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643.50 : 53,328.57 = 22,510.39 : x
  2. Step 2: Convert to fraction form
    38,643.50/53,328.57 = 22,510.39/x
  3. Step 3: Cross multiply
    38,643.50x = 53,328.57 × 22,510.39
  4. Step 4: Simplify right side
    38,643.50x = 1,200,446,908.84
  5. Step 5: Solve for x
    x = 1,200,446,908.84/38,643.50
  6. Step 6: Final answer
    x = 31,064.65

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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.