Home / 48,430.64-66,828.06-28,272.93

Finding the Fourth Proportional to 48,430.64, 66,828.06 and 28,272.93

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Solution

The fourth proportional to 48,430.64, 66,828.06 and 28,272.93 is: 39,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,430.64 : 66,828.06 = 28,272.93 : x
  2. Step 2: Convert to fraction form
    48,430.64/66,828.06 = 28,272.93/x
  3. Step 3: Cross multiply
    48,430.64x = 66,828.06 × 28,272.93
  4. Step 4: Simplify right side
    48,430.64x = 1,889,425,062.42
  5. Step 5: Solve for x
    x = 1,889,425,062.42/48,430.64
  6. Step 6: Final answer
    x = 39,013.01

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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.