Home / 31,357.13-47,035.69-10,580.63

Finding the Fourth Proportional to 31,357.13, 47,035.69 and 10,580.63

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Solution

The fourth proportional to 31,357.13, 47,035.69 and 10,580.63 is: 15,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.13 : 47,035.69 = 10,580.63 : x
  2. Step 2: Convert to fraction form
    31,357.13/47,035.69 = 10,580.63/x
  3. Step 3: Cross multiply
    31,357.13x = 47,035.69 × 10,580.63
  4. Step 4: Simplify right side
    31,357.13x = 497,666,971.05
  5. Step 5: Solve for x
    x = 497,666,971.05/31,357.13
  6. Step 6: Final answer
    x = 15,870.94

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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.