Home / 35,106.87-52,655.12-12,915.06

Finding the Fourth Proportional to 35,106.87, 52,655.12 and 12,915.06

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Solution

The fourth proportional to 35,106.87, 52,655.12 and 12,915.06 is: 19,370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,106.87 : 52,655.12 = 12,915.06 : x
  2. Step 2: Convert to fraction form
    35,106.87/52,655.12 = 12,915.06/x
  3. Step 3: Cross multiply
    35,106.87x = 52,655.12 × 12,915.06
  4. Step 4: Simplify right side
    35,106.87x = 680,043,706.26
  5. Step 5: Solve for x
    x = 680,043,706.26/35,106.87
  6. Step 6: Final answer
    x = 19,370.67

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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.