Home / 35,856.93-49,478.78-19,938.81

Finding the Fourth Proportional to 35,856.93, 49,478.78 and 19,938.81

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Solution

The fourth proportional to 35,856.93, 49,478.78 and 19,938.81 is: 27,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,856.93 : 49,478.78 = 19,938.81 : x
  2. Step 2: Convert to fraction form
    35,856.93/49,478.78 = 19,938.81/x
  3. Step 3: Cross multiply
    35,856.93x = 49,478.78 × 19,938.81
  4. Step 4: Simplify right side
    35,856.93x = 986,547,893.76
  5. Step 5: Solve for x
    x = 986,547,893.76/35,856.93
  6. Step 6: Final answer
    x = 27,513.45

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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.