Home / 39,159.95-58,749.93-12,864.92

Finding the Fourth Proportional to 39,159.95, 58,749.93 and 12,864.92

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Solution

The fourth proportional to 39,159.95, 58,749.93 and 12,864.92 is: 19,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.95 : 58,749.93 = 12,864.92 : x
  2. Step 2: Convert to fraction form
    39,159.95/58,749.93 = 12,864.92/x
  3. Step 3: Cross multiply
    39,159.95x = 58,749.93 × 12,864.92
  4. Step 4: Simplify right side
    39,159.95x = 755,812,855.71
  5. Step 5: Solve for x
    x = 755,812,855.71/39,159.95
  6. Step 6: Final answer
    x = 19,300.66

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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.