Home / 52,848.19-72,935.09-28,979.52

Finding the Fourth Proportional to 52,848.19, 72,935.09 and 28,979.52

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Solution

The fourth proportional to 52,848.19, 72,935.09 and 28,979.52 is: 39,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,848.19 : 72,935.09 = 28,979.52 : x
  2. Step 2: Convert to fraction form
    52,848.19/72,935.09 = 28,979.52/x
  3. Step 3: Cross multiply
    52,848.19x = 72,935.09 × 28,979.52
  4. Step 4: Simplify right side
    52,848.19x = 2,113,623,899.36
  5. Step 5: Solve for x
    x = 2,113,623,899.36/52,848.19
  6. Step 6: Final answer
    x = 39,994.25

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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.