Home / 46,715.95-70,095.80-20,417.28

Finding the Fourth Proportional to 46,715.95, 70,095.80 and 20,417.28

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Solution

The fourth proportional to 46,715.95, 70,095.80 and 20,417.28 is: 30,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,715.95 : 70,095.80 = 20,417.28 : x
  2. Step 2: Convert to fraction form
    46,715.95/70,095.80 = 20,417.28/x
  3. Step 3: Cross multiply
    46,715.95x = 70,095.80 × 20,417.28
  4. Step 4: Simplify right side
    46,715.95x = 1,431,165,575.42
  5. Step 5: Solve for x
    x = 1,431,165,575.42/46,715.95
  6. Step 6: Final answer
    x = 30,635.48

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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.