Home / 60,161.04-90,240.48-20,717.28

Finding the Fourth Proportional to 60,161.04, 90,240.48 and 20,717.28

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Solution

The fourth proportional to 60,161.04, 90,240.48 and 20,717.28 is: 31,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,161.04 : 90,240.48 = 20,717.28 : x
  2. Step 2: Convert to fraction form
    60,161.04/90,240.48 = 20,717.28/x
  3. Step 3: Cross multiply
    60,161.04x = 90,240.48 × 20,717.28
  4. Step 4: Simplify right side
    60,161.04x = 1,869,537,291.49
  5. Step 5: Solve for x
    x = 1,869,537,291.49/60,161.04
  6. Step 6: Final answer
    x = 31,075.55

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1.5x scale

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.