Home / 51,417.58-77,038.35-28,060.42

Finding the Fourth Proportional to 51,417.58, 77,038.35 and 28,060.42

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Solution

The fourth proportional to 51,417.58, 77,038.35 and 28,060.42 is: 42,042.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,417.58 : 77,038.35 = 28,060.42 : x
  2. Step 2: Convert to fraction form
    51,417.58/77,038.35 = 28,060.42/x
  3. Step 3: Cross multiply
    51,417.58x = 77,038.35 × 28,060.42
  4. Step 4: Simplify right side
    51,417.58x = 2,161,728,457.11
  5. Step 5: Solve for x
    x = 2,161,728,457.11/51,417.58
  6. Step 6: Final answer
    x = 42,042.59

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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.