Home / 29,304.51-40,440.02-15,875.45

Finding the Fourth Proportional to 29,304.51, 40,440.02 and 15,875.45

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Solution

The fourth proportional to 29,304.51, 40,440.02 and 15,875.45 is: 21,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.51 : 40,440.02 = 15,875.45 : x
  2. Step 2: Convert to fraction form
    29,304.51/40,440.02 = 15,875.45/x
  3. Step 3: Cross multiply
    29,304.51x = 40,440.02 × 15,875.45
  4. Step 4: Simplify right side
    29,304.51x = 642,003,515.51
  5. Step 5: Solve for x
    x = 642,003,515.51/29,304.51
  6. Step 6: Final answer
    x = 21,908.01

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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.