Home / 40,688.93-61,046.76-25,678.67

Finding the Fourth Proportional to 40,688.93, 61,046.76 and 25,678.67

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Solution

The fourth proportional to 40,688.93, 61,046.76 and 25,678.67 is: 38,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.93 : 61,046.76 = 25,678.67 : x
  2. Step 2: Convert to fraction form
    40,688.93/61,046.76 = 25,678.67/x
  3. Step 3: Cross multiply
    40,688.93x = 61,046.76 × 25,678.67
  4. Step 4: Simplify right side
    40,688.93x = 1,567,599,739.06
  5. Step 5: Solve for x
    x = 1,567,599,739.06/40,688.93
  6. Step 6: Final answer
    x = 38,526.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.