Home / 51,459.90-77,189.76-26,507.08

Finding the Fourth Proportional to 51,459.90, 77,189.76 and 26,507.08

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Solution

The fourth proportional to 51,459.90, 77,189.76 and 26,507.08 is: 39,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.90 : 77,189.76 = 26,507.08 : x
  2. Step 2: Convert to fraction form
    51,459.90/77,189.76 = 26,507.08/x
  3. Step 3: Cross multiply
    51,459.90x = 77,189.76 × 26,507.08
  4. Step 4: Simplify right side
    51,459.90x = 2,046,075,143.50
  5. Step 5: Solve for x
    x = 2,046,075,143.50/51,459.90
  6. Step 6: Final answer
    x = 39,760.57

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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.