Home / 31,547.28-47,237.36-19,050.64

Finding the Fourth Proportional to 31,547.28, 47,237.36 and 19,050.64

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Solution

The fourth proportional to 31,547.28, 47,237.36 and 19,050.64 is: 28,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.28 : 47,237.36 = 19,050.64 : x
  2. Step 2: Convert to fraction form
    31,547.28/47,237.36 = 19,050.64/x
  3. Step 3: Cross multiply
    31,547.28x = 47,237.36 × 19,050.64
  4. Step 4: Simplify right side
    31,547.28x = 899,901,939.91
  5. Step 5: Solve for x
    x = 899,901,939.91/31,547.28
  6. Step 6: Final answer
    x = 28,525.50

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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.