Home / 30,077.04-44,931.12-21,685.44

Finding the Fourth Proportional to 30,077.04, 44,931.12 and 21,685.44

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Solution

The fourth proportional to 30,077.04, 44,931.12 and 21,685.44 is: 32,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,077.04 : 44,931.12 = 21,685.44 : x
  2. Step 2: Convert to fraction form
    30,077.04/44,931.12 = 21,685.44/x
  3. Step 3: Cross multiply
    30,077.04x = 44,931.12 × 21,685.44
  4. Step 4: Simplify right side
    30,077.04x = 974,351,106.89
  5. Step 5: Solve for x
    x = 974,351,106.89/30,077.04
  6. Step 6: Final answer
    x = 32,395.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.