Home / 55,953.18-77,215.41-30,802.50

Finding the Fourth Proportional to 55,953.18, 77,215.41 and 30,802.50

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Solution

The fourth proportional to 55,953.18, 77,215.41 and 30,802.50 is: 42,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,953.18 : 77,215.41 = 30,802.50 : x
  2. Step 2: Convert to fraction form
    55,953.18/77,215.41 = 30,802.50/x
  3. Step 3: Cross multiply
    55,953.18x = 77,215.41 × 30,802.50
  4. Step 4: Simplify right side
    55,953.18x = 2,378,427,666.53
  5. Step 5: Solve for x
    x = 2,378,427,666.53/55,953.18
  6. Step 6: Final answer
    x = 42,507.46

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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.