Home / 34,417.20-47,492.86-19,307.76

Finding the Fourth Proportional to 34,417.20, 47,492.86 and 19,307.76

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Solution

The fourth proportional to 34,417.20, 47,492.86 and 19,307.76 is: 26,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,417.20 : 47,492.86 = 19,307.76 : x
  2. Step 2: Convert to fraction form
    34,417.20/47,492.86 = 19,307.76/x
  3. Step 3: Cross multiply
    34,417.20x = 47,492.86 × 19,307.76
  4. Step 4: Simplify right side
    34,417.20x = 916,980,742.59
  5. Step 5: Solve for x
    x = 916,980,742.59/34,417.20
  6. Step 6: Final answer
    x = 26,643.10

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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.