Home / 34,430.88-47,510.70-19,320.42

Finding the Fourth Proportional to 34,430.88, 47,510.70 and 19,320.42

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Solution

The fourth proportional to 34,430.88, 47,510.70 and 19,320.42 is: 26,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,430.88 : 47,510.70 = 19,320.42 : x
  2. Step 2: Convert to fraction form
    34,430.88/47,510.70 = 19,320.42/x
  3. Step 3: Cross multiply
    34,430.88x = 47,510.70 × 19,320.42
  4. Step 4: Simplify right side
    34,430.88x = 917,926,678.49
  5. Step 5: Solve for x
    x = 917,926,678.49/34,430.88
  6. Step 6: Final answer
    x = 26,659.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.