Home / 34,238.21-47,248.79-19,130.90

Finding the Fourth Proportional to 34,238.21, 47,248.79 and 19,130.90

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Solution

The fourth proportional to 34,238.21, 47,248.79 and 19,130.90 is: 26,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,238.21 : 47,248.79 = 19,130.90 : x
  2. Step 2: Convert to fraction form
    34,238.21/47,248.79 = 19,130.90/x
  3. Step 3: Cross multiply
    34,238.21x = 47,248.79 × 19,130.90
  4. Step 4: Simplify right side
    34,238.21x = 903,911,544.71
  5. Step 5: Solve for x
    x = 903,911,544.71/34,238.21
  6. Step 6: Final answer
    x = 26,400.67

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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.