Home / 35,345.79-48,731.70-28,948.81

Finding the Fourth Proportional to 35,345.79, 48,731.70 and 28,948.81

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Solution

The fourth proportional to 35,345.79, 48,731.70 and 28,948.81 is: 39,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.79 : 48,731.70 = 28,948.81 : x
  2. Step 2: Convert to fraction form
    35,345.79/48,731.70 = 28,948.81/x
  3. Step 3: Cross multiply
    35,345.79x = 48,731.70 × 28,948.81
  4. Step 4: Simplify right side
    35,345.79x = 1,410,724,724.28
  5. Step 5: Solve for x
    x = 1,410,724,724.28/35,345.79
  6. Step 6: Final answer
    x = 39,912.10

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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.