Home / 43,798.32-65,681.28-15,710.40

Finding the Fourth Proportional to 43,798.32, 65,681.28 and 15,710.40

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Solution

The fourth proportional to 43,798.32, 65,681.28 and 15,710.40 is: 23,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,798.32 : 65,681.28 = 15,710.40 : x
  2. Step 2: Convert to fraction form
    43,798.32/65,681.28 = 15,710.40/x
  3. Step 3: Cross multiply
    43,798.32x = 65,681.28 × 15,710.40
  4. Step 4: Simplify right side
    43,798.32x = 1,031,879,181.31
  5. Step 5: Solve for x
    x = 1,031,879,181.31/43,798.32
  6. Step 6: Final answer
    x = 23,559.79

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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.