Home / 37,981.16-52,412.10-21,210.92

Finding the Fourth Proportional to 37,981.16, 52,412.10 and 21,210.92

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Solution

The fourth proportional to 37,981.16, 52,412.10 and 21,210.92 is: 29,270.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,981.16 : 52,412.10 = 21,210.92 : x
  2. Step 2: Convert to fraction form
    37,981.16/52,412.10 = 21,210.92/x
  3. Step 3: Cross multiply
    37,981.16x = 52,412.10 × 21,210.92
  4. Step 4: Simplify right side
    37,981.16x = 1,111,708,860.13
  5. Step 5: Solve for x
    x = 1,111,708,860.13/37,981.16
  6. Step 6: Final answer
    x = 29,270.01

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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.