Home / 47,030.39-70,547.75-11,970.35

Finding the Fourth Proportional to 47,030.39, 70,547.75 and 11,970.35

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Solution

The fourth proportional to 47,030.39, 70,547.75 and 11,970.35 is: 17,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,030.39 : 70,547.75 = 11,970.35 : x
  2. Step 2: Convert to fraction form
    47,030.39/70,547.75 = 11,970.35/x
  3. Step 3: Cross multiply
    47,030.39x = 70,547.75 × 11,970.35
  4. Step 4: Simplify right side
    47,030.39x = 844,481,259.21
  5. Step 5: Solve for x
    x = 844,481,259.21/47,030.39
  6. Step 6: Final answer
    x = 17,956.08

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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.