Home / 42,036.08-63,033.64-15,009.20

Finding the Fourth Proportional to 42,036.08, 63,033.64 and 15,009.20

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Solution

The fourth proportional to 42,036.08, 63,033.64 and 15,009.20 is: 22,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,036.08 : 63,033.64 = 15,009.20 : x
  2. Step 2: Convert to fraction form
    42,036.08/63,033.64 = 15,009.20/x
  3. Step 3: Cross multiply
    42,036.08x = 63,033.64 × 15,009.20
  4. Step 4: Simplify right side
    42,036.08x = 946,084,509.49
  5. Step 5: Solve for x
    x = 946,084,509.49/42,036.08
  6. Step 6: Final answer
    x = 22,506.49

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1.5x scale

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.