Home / 45,421.48-62,628.01-31,088.22

Finding the Fourth Proportional to 45,421.48, 62,628.01 and 31,088.22

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Solution

The fourth proportional to 45,421.48, 62,628.01 and 31,088.22 is: 42,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421.48 : 62,628.01 = 31,088.22 : x
  2. Step 2: Convert to fraction form
    45,421.48/62,628.01 = 31,088.22/x
  3. Step 3: Cross multiply
    45,421.48x = 62,628.01 × 31,088.22
  4. Step 4: Simplify right side
    45,421.48x = 1,946,993,353.04
  5. Step 5: Solve for x
    x = 1,946,993,353.04/45,421.48
  6. Step 6: Final answer
    x = 42,865.04

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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.