Home / 39,000.04-58,487.28-12,698.44

Finding the Fourth Proportional to 39,000.04, 58,487.28 and 12,698.44

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Solution

The fourth proportional to 39,000.04, 58,487.28 and 12,698.44 is: 19,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.04 : 58,487.28 = 12,698.44 : x
  2. Step 2: Convert to fraction form
    39,000.04/58,487.28 = 12,698.44/x
  3. Step 3: Cross multiply
    39,000.04x = 58,487.28 × 12,698.44
  4. Step 4: Simplify right side
    39,000.04x = 742,697,215.84
  5. Step 5: Solve for x
    x = 742,697,215.84/39,000.04
  6. Step 6: Final answer
    x = 19,043.50

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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.