Home / 51,430.86-70,936.47-36,307.76

Finding the Fourth Proportional to 51,430.86, 70,936.47 and 36,307.76

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Solution

The fourth proportional to 51,430.86, 70,936.47 and 36,307.76 is: 50,077.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,430.86 : 70,936.47 = 36,307.76 : x
  2. Step 2: Convert to fraction form
    51,430.86/70,936.47 = 36,307.76/x
  3. Step 3: Cross multiply
    51,430.86x = 70,936.47 × 36,307.76
  4. Step 4: Simplify right side
    51,430.86x = 2,575,543,973.32
  5. Step 5: Solve for x
    x = 2,575,543,973.32/51,430.86
  6. Step 6: Final answer
    x = 50,077.79

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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.