Home / 51,412.48-70,957.24-31,275.67

Finding the Fourth Proportional to 51,412.48, 70,957.24 and 31,275.67

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Solution

The fourth proportional to 51,412.48, 70,957.24 and 31,275.67 is: 43,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,412.48 : 70,957.24 = 31,275.67 : x
  2. Step 2: Convert to fraction form
    51,412.48/70,957.24 = 31,275.67/x
  3. Step 3: Cross multiply
    51,412.48x = 70,957.24 × 31,275.67
  4. Step 4: Simplify right side
    51,412.48x = 2,219,235,065.97
  5. Step 5: Solve for x
    x = 2,219,235,065.97/51,412.48
  6. Step 6: Final answer
    x = 43,165.30

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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.