Home / 55,949.63-77,210.51-30,799.13

Finding the Fourth Proportional to 55,949.63, 77,210.51 and 30,799.13

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Solution

The fourth proportional to 55,949.63, 77,210.51 and 30,799.13 is: 42,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949.63 : 77,210.51 = 30,799.13 : x
  2. Step 2: Convert to fraction form
    55,949.63/77,210.51 = 30,799.13/x
  3. Step 3: Cross multiply
    55,949.63x = 77,210.51 × 30,799.13
  4. Step 4: Simplify right side
    55,949.63x = 2,378,015,994.81
  5. Step 5: Solve for x
    x = 2,378,015,994.81/55,949.63
  6. Step 6: Final answer
    x = 42,502.80

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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.