Home / 30,931.95-46,397.88-11,210.46

Finding the Fourth Proportional to 30,931.95, 46,397.88 and 11,210.46

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Solution

The fourth proportional to 30,931.95, 46,397.88 and 11,210.46 is: 16,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.95 : 46,397.88 = 11,210.46 : x
  2. Step 2: Convert to fraction form
    30,931.95/46,397.88 = 11,210.46/x
  3. Step 3: Cross multiply
    30,931.95x = 46,397.88 × 11,210.46
  4. Step 4: Simplify right side
    30,931.95x = 520,141,577.82
  5. Step 5: Solve for x
    x = 520,141,577.82/30,931.95
  6. Step 6: Final answer
    x = 16,815.67

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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.