Home / 30,036.04-45,037.86-15,235.72

Finding the Fourth Proportional to 30,036.04, 45,037.86 and 15,235.72

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Solution

The fourth proportional to 30,036.04, 45,037.86 and 15,235.72 is: 22,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.04 : 45,037.86 = 15,235.72 : x
  2. Step 2: Convert to fraction form
    30,036.04/45,037.86 = 15,235.72/x
  3. Step 3: Cross multiply
    30,036.04x = 45,037.86 × 15,235.72
  4. Step 4: Simplify right side
    30,036.04x = 686,184,224.36
  5. Step 5: Solve for x
    x = 686,184,224.36/30,036.04
  6. Step 6: Final answer
    x = 22,845.36

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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.