Home / 34,842.61-48,075.72-21,221.51

Finding the Fourth Proportional to 34,842.61, 48,075.72 and 21,221.51

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Solution

The fourth proportional to 34,842.61, 48,075.72 and 21,221.51 is: 29,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,842.61 : 48,075.72 = 21,221.51 : x
  2. Step 2: Convert to fraction form
    34,842.61/48,075.72 = 21,221.51/x
  3. Step 3: Cross multiply
    34,842.61x = 48,075.72 × 21,221.51
  4. Step 4: Simplify right side
    34,842.61x = 1,020,239,372.74
  5. Step 5: Solve for x
    x = 1,020,239,372.74/34,842.61
  6. Step 6: Final answer
    x = 29,281.37

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1.5x scale

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.