Home / 35,688.68-49,248.42-19,772.18

Finding the Fourth Proportional to 35,688.68, 49,248.42 and 19,772.18

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Solution

The fourth proportional to 35,688.68, 49,248.42 and 19,772.18 is: 27,284.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,688.68 : 49,248.42 = 19,772.18 : x
  2. Step 2: Convert to fraction form
    35,688.68/49,248.42 = 19,772.18/x
  3. Step 3: Cross multiply
    35,688.68x = 49,248.42 × 19,772.18
  4. Step 4: Simplify right side
    35,688.68x = 973,748,378.71
  5. Step 5: Solve for x
    x = 973,748,378.71/35,688.68
  6. Step 6: Final answer
    x = 27,284.52

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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.