Home / 30,929,041.84-42,681,461.88-17,177,535.76

Finding the Fourth Proportional to 30,929,041.84, 42,681,461.88 and 17,177,535.76

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Solution

The fourth proportional to 30,929,041.84, 42,681,461.88 and 17,177,535.76 is: 23,704,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929,041.84 : 42,681,461.88 = 17,177,535.76 : x
  2. Step 2: Convert to fraction form
    30,929,041.84/42,681,461.88 = 17,177,535.76/x
  3. Step 3: Cross multiply
    30,929,041.84x = 42,681,461.88 × 17,177,535.76
  4. Step 4: Simplify right side
    30,929,041.84x = 733,162,337,732,777
  5. Step 5: Solve for x
    x = 733,162,337,732,777/30,929,041.84
  6. Step 6: Final answer
    x = 23,704,657.31

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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.