Home / 56,247.62-77,679.81-48,657.51

Finding the Fourth Proportional to 56,247.62, 77,679.81 and 48,657.51

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Solution

The fourth proportional to 56,247.62, 77,679.81 and 48,657.51 is: 67,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,247.62 : 77,679.81 = 48,657.51 : x
  2. Step 2: Convert to fraction form
    56,247.62/77,679.81 = 48,657.51/x
  3. Step 3: Cross multiply
    56,247.62x = 77,679.81 × 48,657.51
  4. Step 4: Simplify right side
    56,247.62x = 3,779,706,131.87
  5. Step 5: Solve for x
    x = 3,779,706,131.87/56,247.62
  6. Step 6: Final answer
    x = 67,197.62

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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.