Home / 35,088.48-48,423.18-19,980.72

Finding the Fourth Proportional to 35,088.48, 48,423.18 and 19,980.72

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Solution

The fourth proportional to 35,088.48, 48,423.18 and 19,980.72 is: 27,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,088.48 : 48,423.18 = 19,980.72 : x
  2. Step 2: Convert to fraction form
    35,088.48/48,423.18 = 19,980.72/x
  3. Step 3: Cross multiply
    35,088.48x = 48,423.18 × 19,980.72
  4. Step 4: Simplify right side
    35,088.48x = 967,530,001.09
  5. Step 5: Solve for x
    x = 967,530,001.09/35,088.48
  6. Step 6: Final answer
    x = 27,574.01

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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.