Home / 38,127.04-52,615.28-21,360.16

Finding the Fourth Proportional to 38,127.04, 52,615.28 and 21,360.16

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Solution

The fourth proportional to 38,127.04, 52,615.28 and 21,360.16 is: 29,477.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.04 : 52,615.28 = 21,360.16 : x
  2. Step 2: Convert to fraction form
    38,127.04/52,615.28 = 21,360.16/x
  3. Step 3: Cross multiply
    38,127.04x = 52,615.28 × 21,360.16
  4. Step 4: Simplify right side
    38,127.04x = 1,123,870,799.24
  5. Step 5: Solve for x
    x = 1,123,870,799.24/38,127.04
  6. Step 6: Final answer
    x = 29,477.00

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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.