Home / 30,144.04-45,210.90-7,957.66

Finding the Fourth Proportional to 30,144.04, 45,210.90 and 7,957.66

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Solution

The fourth proportional to 30,144.04, 45,210.90 and 7,957.66 is: 11,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144.04 : 45,210.90 = 7,957.66 : x
  2. Step 2: Convert to fraction form
    30,144.04/45,210.90 = 7,957.66/x
  3. Step 3: Cross multiply
    30,144.04x = 45,210.90 × 7,957.66
  4. Step 4: Simplify right side
    30,144.04x = 359,772,970.49
  5. Step 5: Solve for x
    x = 359,772,970.49/30,144.04
  6. Step 6: Final answer
    x = 11,935.13

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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.