Home / 46,946.15-70,430.76-13,666.50

Finding the Fourth Proportional to 46,946.15, 70,430.76 and 13,666.50

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Solution

The fourth proportional to 46,946.15, 70,430.76 and 13,666.50 is: 20,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,946.15 : 70,430.76 = 13,666.50 : x
  2. Step 2: Convert to fraction form
    46,946.15/70,430.76 = 13,666.50/x
  3. Step 3: Cross multiply
    46,946.15x = 70,430.76 × 13,666.50
  4. Step 4: Simplify right side
    46,946.15x = 962,541,981.54
  5. Step 5: Solve for x
    x = 962,541,981.54/46,946.15
  6. Step 6: Final answer
    x = 20,503.11

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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.