Home / 34,895.04-48,155.28-18,979.68

Finding the Fourth Proportional to 34,895.04, 48,155.28 and 18,979.68

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Solution

The fourth proportional to 34,895.04, 48,155.28 and 18,979.68 is: 26,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,895.04 : 48,155.28 = 18,979.68 : x
  2. Step 2: Convert to fraction form
    34,895.04/48,155.28 = 18,979.68/x
  3. Step 3: Cross multiply
    34,895.04x = 48,155.28 × 18,979.68
  4. Step 4: Simplify right side
    34,895.04x = 913,971,804.71
  5. Step 5: Solve for x
    x = 913,971,804.71/34,895.04
  6. Step 6: Final answer
    x = 26,192.03

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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.