Home / 30,075.09-41,502.96-16,645.53

Finding the Fourth Proportional to 30,075.09, 41,502.96 and 16,645.53

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Solution

The fourth proportional to 30,075.09, 41,502.96 and 16,645.53 is: 22,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075.09 : 41,502.96 = 16,645.53 : x
  2. Step 2: Convert to fraction form
    30,075.09/41,502.96 = 16,645.53/x
  3. Step 3: Cross multiply
    30,075.09x = 41,502.96 × 16,645.53
  4. Step 4: Simplify right side
    30,075.09x = 690,838,765.77
  5. Step 5: Solve for x
    x = 690,838,765.77/30,075.09
  6. Step 6: Final answer
    x = 22,970.46

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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.