Home / 30,421.63-45,567.74-14,603.34

Finding the Fourth Proportional to 30,421.63, 45,567.74 and 14,603.34

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Solution

The fourth proportional to 30,421.63, 45,567.74 and 14,603.34 is: 21,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,421.63 : 45,567.74 = 14,603.34 : x
  2. Step 2: Convert to fraction form
    30,421.63/45,567.74 = 14,603.34/x
  3. Step 3: Cross multiply
    30,421.63x = 45,567.74 × 14,603.34
  4. Step 4: Simplify right side
    30,421.63x = 665,441,236.76
  5. Step 5: Solve for x
    x = 665,441,236.76/30,421.63
  6. Step 6: Final answer
    x = 21,873.95

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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.