Home / 56,350.81-77,764.15-35,130.16

Finding the Fourth Proportional to 56,350.81, 77,764.15 and 35,130.16

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Solution

The fourth proportional to 56,350.81, 77,764.15 and 35,130.16 is: 48,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,350.81 : 77,764.15 = 35,130.16 : x
  2. Step 2: Convert to fraction form
    56,350.81/77,764.15 = 35,130.16/x
  3. Step 3: Cross multiply
    56,350.81x = 77,764.15 × 35,130.16
  4. Step 4: Simplify right side
    56,350.81x = 2,731,867,031.76
  5. Step 5: Solve for x
    x = 2,731,867,031.76/56,350.81
  6. Step 6: Final answer
    x = 48,479.64

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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.