Home / 30,071.76-45,113.46-9,011.35

Finding the Fourth Proportional to 30,071.76, 45,113.46 and 9,011.35

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Solution

The fourth proportional to 30,071.76, 45,113.46 and 9,011.35 is: 13,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.76 : 45,113.46 = 9,011.35 : x
  2. Step 2: Convert to fraction form
    30,071.76/45,113.46 = 9,011.35/x
  3. Step 3: Cross multiply
    30,071.76x = 45,113.46 × 9,011.35
  4. Step 4: Simplify right side
    30,071.76x = 406,533,200.37
  5. Step 5: Solve for x
    x = 406,533,200.37/30,071.76
  6. Step 6: Final answer
    x = 13,518.77

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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.