Home / 30,976.64-42,746.37-17,547.62

Finding the Fourth Proportional to 30,976.64, 42,746.37 and 17,547.62

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Solution

The fourth proportional to 30,976.64, 42,746.37 and 17,547.62 is: 24,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.64 : 42,746.37 = 17,547.62 : x
  2. Step 2: Convert to fraction form
    30,976.64/42,746.37 = 17,547.62/x
  3. Step 3: Cross multiply
    30,976.64x = 42,746.37 × 17,547.62
  4. Step 4: Simplify right side
    30,976.64x = 750,097,057.14
  5. Step 5: Solve for x
    x = 750,097,057.14/30,976.64
  6. Step 6: Final answer
    x = 24,214.93

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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.