Home / 42,075.70-63,053.40-30,894.66

Finding the Fourth Proportional to 42,075.70, 63,053.40 and 30,894.66

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Solution

The fourth proportional to 42,075.70, 63,053.40 and 30,894.66 is: 46,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,075.70 : 63,053.40 = 30,894.66 : x
  2. Step 2: Convert to fraction form
    42,075.70/63,053.40 = 30,894.66/x
  3. Step 3: Cross multiply
    42,075.70x = 63,053.40 × 30,894.66
  4. Step 4: Simplify right side
    42,075.70x = 1,948,013,354.84
  5. Step 5: Solve for x
    x = 1,948,013,354.84/42,075.70
  6. Step 6: Final answer
    x = 46,297.82

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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.