Home / 35,547.32-53,309.82-12,168.28

Finding the Fourth Proportional to 35,547.32, 53,309.82 and 12,168.28

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Solution

The fourth proportional to 35,547.32, 53,309.82 and 12,168.28 is: 18,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,547.32 : 53,309.82 = 12,168.28 : x
  2. Step 2: Convert to fraction form
    35,547.32/53,309.82 = 12,168.28/x
  3. Step 3: Cross multiply
    35,547.32x = 53,309.82 × 12,168.28
  4. Step 4: Simplify right side
    35,547.32x = 648,688,816.51
  5. Step 5: Solve for x
    x = 648,688,816.51/35,547.32
  6. Step 6: Final answer
    x = 18,248.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.