Home / 30,045.90-45,054.12-17,569.08

Finding the Fourth Proportional to 30,045.90, 45,054.12 and 17,569.08

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Solution

The fourth proportional to 30,045.90, 45,054.12 and 17,569.08 is: 26,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.90 : 45,054.12 = 17,569.08 : x
  2. Step 2: Convert to fraction form
    30,045.90/45,054.12 = 17,569.08/x
  3. Step 3: Cross multiply
    30,045.90x = 45,054.12 × 17,569.08
  4. Step 4: Simplify right side
    30,045.90x = 791,559,438.61
  5. Step 5: Solve for x
    x = 791,559,438.61/30,045.90
  6. Step 6: Final answer
    x = 26,345.01

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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.